===== Operateur logique "AND(E) - ET(F) => &&" =====
compare two expressions and if they are true, return a zero. See the behavior of this operator with truth table below: {| class="wikitable" style="text-align:center;" |+ Table de verité pour Operateur && |- ! scope="col" | Expression 1 ! scope="col" | Expression 2 ! scope="col" | E1 && E2 (valeur de retour) |- | 0 | 0 | 0 |- | 0 | 1 | 0 |- | 1 | 0 | 0 |- | 1 | 1 | 1 |}
===== Operateur logique "OR(E) - OU(F) => ||" =====